542402637 has 16 divisors (see below), whose sum is σ = 826914432. Its totient is φ = 309795840.

The previous prime is 542402621. The next prime is 542402669. The reversal of 542402637 is 736204245.

It is not a de Polignac number, because 542402637 - 2⁴ = 542402621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542402598 and 542402607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542402617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50937 + ... + 60657.

It is an arithmetic number, because the mean of its divisors is an integer number (51682152).

Almost surely, 2^542402637 is an apocalyptic number.

It is an amenable number.

542402637 is a deficient number, since it is larger than the sum of its proper divisors (284511795).

542402637 is a wasteful number, since it uses less digits than its factorization.

542402637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 542402637 is about 23289.5392182842. The cubic root of 542402637 is about 815.5312315626.

The spelling of 542402637 in words is "five hundred forty-two million, four hundred two thousand, six hundred thirty-seven".